<!DOCTYPE html>
<html lang="zh" xmlns:th="http://www.thymeleaf.org" >
    <head>
        <th:block th:include="include :: header('上传菜品图片')" />
        <th:block th:include="include :: cropbox-css" />
    </head>
    <body class="white-bg">
        <div class="container">
            <div class="imageBox">
                <div class="thumbBox"></div>
                <div class="spinner" style="display: none">Loading...</div>
            </div>
            <div class="action">
                <div class="new-contentarea tc">
                    <a href="javascript:void(0)" class="upload-img"> <label for="avatar">上传菜品图片</label> </a>
                    <input type="file" class="" name="avatar" id="avatar" accept="image/*"/>
                </div>
                <input type="button" id="btnCrop" class="Btnsty_peyton" value="裁切" />
                <input type="button" id="btnZoomIn" class="Btnsty_peyton" value="+" />
                <input type="button" id="btnZoomOut" class="Btnsty_peyton" value="-" />
            </div>
            <div class="cropped"></div>
        </div>
        <th:block th:include="include :: footer" />
        <th:block th:include="include :: cropbox-js" />
        <script type="text/javascript">

            var prefix = ctx + "wechatprogram/menu";

            var cropper;
            $(window).load(function() {
                var avatar = '';
                var options = {
                    thumbBox: '.thumbBox',
                    spinner: '.spinner',
                    imgSrc:  ctx + 'img/picture.png'
                }
                cropper = $('.imageBox').cropbox(options);
                $('#avatar').on('change', function() {
                    var reader = new FileReader();
                    reader.onload = function(e) {
                        options.imgSrc = e.target.result;
                        //根据MIME判断上传的文件是不是图片类型
                        if((options.imgSrc).indexOf("image/")==-1){
                            $.modal.alertWarning("文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。");
                        } else {
                            cropper = $('.imageBox').cropbox(options);
                        }
                    }
                    reader.readAsDataURL(this.files[0]);
                })

                $('#btnCrop').on('click', function(){
                    var img = cropper.getDataURL();
                    $('.cropped').html('');
                    $('.cropped').append('<img src="'+img+'" align="absmiddle" style="width:64px;margin-top:4px;border-radius:64px;box-shadow:0px 0px 12px #7E7E7E;" ><p>64px*64px</p>');
                    $('.cropped').append('<img src="'+img+'" align="absmiddle" style="width:128px;margin-top:4px;border-radius:128px;box-shadow:0px 0px 12px #7E7E7E;"><p>128px*128px</p>');
                    $('.cropped').append('<img src="'+img+'" align="absmiddle" style="width:180px;margin-top:4px;border-radius:180px;box-shadow:0px 0px 12px #7E7E7E;"><p>180px*180px</p>');
                })

                $('#btnZoomIn').on('click', function(){
                    cropper.zoomIn();
                })

                $('#btnZoomOut').on('click', function(){
                    cropper.zoomOut();
                })
            });

            function submitHandler() {
                var img = cropper.getBlob();
                var formdata = new FormData();
                formdata.append("menuPictureUrl", img);
                $.ajax({
                    url: prefix + "/uploadingDishes",
                    data: formdata,
                    type: "post",
                    processData: false,
                    contentType: false,
                    success: function(result) {
                        $.operate.saveSuccess(result);
                    }
                })
            }
        </script>
    </body>
</html>
